4.9-stable review patch. If anyone has any objections, please let me know.
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From: David Wang davidwang@zhaoxin.com
commit af52f9982e410edac21ca4b49563053ffc9da1eb upstream.
This patch is used to tell kernel that new VIA HDAC controller also support no-snoop path.
[ minor coding style fix by tiwai ]
Signed-off-by: David Wang davidwang@zhaoxin.com Cc: stable@vger.kernel.org Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/pci/hda/hda_intel.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1514,7 +1514,8 @@ static void azx_check_snoop_available(st */ u8 val; pci_read_config_byte(chip->pci, 0x42, &val); - if (!(val & 0x80) && chip->pci->revision == 0x30) + if (!(val & 0x80) && (chip->pci->revision == 0x30 || + chip->pci->revision == 0x20)) snoop = false; }